Home / 302,532.06-453,800.66-86,390.22

Finding the Fourth Proportional to 302,532.06, 453,800.66 and 86,390.22

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Solution

The fourth proportional to 302,532.06, 453,800.66 and 86,390.22 is: 129,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,532.06 : 453,800.66 = 86,390.22 : x
  2. Step 2: Convert to fraction form
    302,532.06/453,800.66 = 86,390.22/x
  3. Step 3: Cross multiply
    302,532.06x = 453,800.66 × 86,390.22
  4. Step 4: Simplify right side
    302,532.06x = 39,203,938,853.55
  5. Step 5: Solve for x
    x = 39,203,938,853.55/302,532.06
  6. Step 6: Final answer
    x = 129,586.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.